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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        const obj = {
            name:'zhangsan',
            age:17,
            brith:'2001-02-14'
        }
        const arr =[11,22,33]
        let [a,b,c]=arr
        console.log(a,b,c);

        let [,o,e]= arr
        console.log(o,e);
        
        
        let {name,age,brith} = obj
        console.log(name,age,brith);
        
        let {name:ooo} = obj
        console.log(ooo);
        let { age:yyy} = obj
        console.log(yyy)
        
    </script>
</body>
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